Timeline Of Diving Technology
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US Navy Dive Manual (pg 1-8), state that the MK V Deep Sea Diving Dress was designed by the Bureau of Construction & Repair in 1905, but in reality, the 1905 Navy Handbook shows British Siebe-Gorman helmets in use. Since the earliest know MK V is dated 1916, these sources are probably referring to the earlier MK I, MK II, MK III & MK IV Morse and Schrader helmets.
1905: The first rebreather with metering valves to control the supply of oxygen is made.
1907: Draeger of Lbeck makes a rebreather called the U-Boot-Retter. = “submarine rescuer”.
1908: ## Arthur Boycott, Guybon Damant, and John Haldane publish “The Prevention of Compressed-Air Illness”, detailed studies on the cause and symptoms of decompression sickness, and propose a table of decompression stops to avoid the effects.
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